fastCopyImageMode 3364 Source/core/html/canvas/WebGLRenderingContextBase.cpp     return buf->copyImage(ImageBuffer::fastCopyImageMode());
fastCopyImageMode 3500 Source/core/html/canvas/WebGLRenderingContextBase.cpp     RefPtr<Image> image = videoFrameToImage(video, ImageBuffer::fastCopyImageMode());
fastCopyImageMode 3694 Source/core/html/canvas/WebGLRenderingContextBase.cpp     RefPtr<Image> image = videoFrameToImage(video, ImageBuffer::fastCopyImageMode());
fastCopyImageMode  101 Source/platform/graphics/ImageBuffer.h     static BackingStoreCopy fastCopyImageMode();